ABAP Select data from SAP table RFVD_CORR_CL_GENRL_FINANCIALS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RFVD_CORR_CL_GENRL_FINANCIALS table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to RFVD_CORR_CL_GENRL_FINANCIALS. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the RFVD_CORR_CL_GENRL_FINANCIALS table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_RFVD_CORR_CL_GENRL_FINANCIALS TYPE STANDARD TABLE OF RFVD_CORR_CL_GENRL_FINANCIALS,
      WA_RFVD_CORR_CL_GENRL_FINANCIALS TYPE RFVD_CORR_CL_GENRL_FINANCIALS,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <RFVD_CORR_CL_GENRL_FINANCIALS> TYPE RFVD_CORR_CL_GENRL_FINANCIALS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RFVD_CORR_CL_GENRL_FINANCIALS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RFVD_CORR_CL_GENRL_FINANCIALS
  INTO TABLE IT_RFVD_CORR_CL_GENRL_FINANCIALS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVD_CORR_CL_GENRL_FINANCIALS
*  INTO TABLE @DATA(IT_RFVD_CORR_CL_GENRL_FINANCIALS2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_RFVD_CORR_CL_GENRL_FINANCIALS INDEX 1 INTO DATA(WA_RFVD_CORR_CL_GENRL_FINANCIALS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RFVD_CORR_CL_GENRL_FINANCIALS ASSIGNING <RFVD_CORR_CL_GENRL_FINANCIALS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVD_CORR_CL_GENRL_FINANCIALS>-WA_FINANCIALS = 1.
<RFVD_CORR_CL_GENRL_FINANCIALS>-CONTRACT_AMOUNT = 1.
<RFVD_CORR_CL_GENRL_FINANCIALS>-BAZHPF = 1.
<RFVD_CORR_CL_GENRL_FINANCIALS>-BAUSBEAKT = 1.
<RFVD_CORR_CL_GENRL_FINANCIALS>-BRESTKAPS = 1.

ENDLOOP.

LOOP AT IT_RFVD_CORR_CL_GENRL_FINANCIALS INTO WA_RFVD_CORR_CL_GENRL_FINANCIALS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVD_CORR_CL_GENRL_FINANCIALS-ACCOUNT_BALANCE, sy-vline,
  WA_RFVD_CORR_CL_GENRL_FINANCIALS-DATE_OF_FULL_PAYMENT, sy-vline,
  WA_RFVD_CORR_CL_GENRL_FINANCIALS-ORIGINAL_TERM, sy-vline,
  WA_RFVD_CORR_CL_GENRL_FINANCIALS-RATE_COUNT, sy-vline,
  WA_RFVD_CORR_CL_GENRL_FINANCIALS-OVERALL_RUNTIME, sy-vline,
  WA_RFVD_CORR_CL_GENRL_FINANCIALS-CLEARING_RATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVD_CORR_CL_GENRL_FINANCIALS you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_RFVD_CORR_CL_GENRL_FINANCIALS TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_RFVD_CORR_CL_GENRL_FINANCIALS INTO WA_RFVD_CORR_CL_GENRL_FINANCIALS.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RFVD_CORR_CL_GENRL_FINANCIALS_STR, 
WA_FINANCIALS TYPE STRING,
CONTRACT_AMOUNT TYPE STRING,
BAZHPF TYPE STRING,
BAUSBEAKT TYPE STRING,
BRESTKAPS TYPE STRING,
ACCOUNT_BALANCE TYPE STRING,
DATE_OF_FULL_PAYMENT TYPE STRING,
ORIGINAL_TERM TYPE STRING,
RATE_COUNT TYPE STRING,
OVERALL_RUNTIME TYPE STRING,
CLEARING_RATE TYPE STRING,
DATE_FIRST_RATE TYPE STRING,
DATE_NEXT_RATE TYPE STRING,
LAST_DUE_DATE TYPE STRING,
NUMBER_OF_RATES TYPE STRING,
DATE_OF_REPAYMENT TYPE STRING,
CONTRACT_RATE TYPE STRING,
ORIG_CREDIT_SUM TYPE STRING,
CURR TYPE STRING,
NOMINAL_INTEREST_RATE TYPE STRING,
EFF_INT_L_PYMNP TYPE STRING,
DEFF_INT_L_PYMNP TYPE STRING,
INSURANCE_INCLUDED TYPE STRING,
SINGLE_PREMIUM TYPE STRING,
CHARGE TYPE STRING,
ORIG_INTEREST_SUM TYPE STRING,
NET_LOAN_AMOUNT TYPE STRING,
FIRST_RATE_ADJUSTED TYPE STRING,
SECOND_DATE_DUE TYPE STRING,
ODD_DAYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-WA_FINANCIALS sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-CONTRACT_AMOUNT sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-BAZHPF sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-BAUSBEAKT sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-BRESTKAPS sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-ACCOUNT_BALANCE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-DATE_OF_FULL_PAYMENT sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-ORIGINAL_TERM sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-RATE_COUNT sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-OVERALL_RUNTIME sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-CLEARING_RATE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-DATE_FIRST_RATE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-DATE_NEXT_RATE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-LAST_DUE_DATE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-NUMBER_OF_RATES sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-DATE_OF_REPAYMENT sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-CONTRACT_RATE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-ORIG_CREDIT_SUM sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-CURR sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-NOMINAL_INTEREST_RATE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-EFF_INT_L_PYMNP sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-DEFF_INT_L_PYMNP sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-INSURANCE_INCLUDED sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-SINGLE_PREMIUM sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-CHARGE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-ORIG_INTEREST_SUM sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-NET_LOAN_AMOUNT sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-FIRST_RATE_ADJUSTED sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-SECOND_DATE_DUE sy-vline 
WA_RFVD_CORR_CL_GENRL_FINANCIALS_STR-ODD_DAYS sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.